class BillingSummationModel {
  String? startTime;
  String? endTime;
  double? totalIncome;
  double? totalExpenditure;

  BillingSummationModel({this.startTime, this.endTime, this.totalIncome, this.totalExpenditure});

  BillingSummationModel.fromJson(Map<String, dynamic> json) {
    startTime = json['startTime'];
    endTime = json['endTime'];
    totalIncome = json['totalIncome'];
    totalExpenditure = json['totalExpenditure'];
  }

  Map<String, dynamic> toJson() {
    final Map<String, dynamic> data = new Map<String, dynamic>();
    data['startTime'] = this.startTime;
    data['endTime'] = this.endTime;
    data['totalIncome'] = this.totalIncome;
    data['totalExpenditure'] = this.totalExpenditure;
    return data;
  }
}
